<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Document</title>
    <script src='../../vue.js'></script>
</head>

<body>
    <div id='app'>
        <button @click="update">使用变更方法修改数组</button>
        <button @click="update1">使用非变更方法修改数组</button>
        <ul>
            <li v-for="item in names">{{item}}</li>
        </ul>
    </div>
    <script>
        Vue.config.productionTip = false;
        const vm = new Vue({
            el: '#app',
            data() {
                return {
                    names:['lazy','anny','bome']
                }
            },
            methods:{
                update(){
                    // this.names.push('huge')
                    this.names.sort()
                },
                update1(){
                    this.names=this.names.filter(item=>{
                        return item!=='lazy'
                    })
                }
            }
        })
    </script>
</body>

</html>